## Concerning the solution set of Ax=b where $$P\leq A\leq Q$$ and $$p\leq b\leq q$$.(English)Zbl 0446.65017

### MSC:

 65F30 Other matrix algorithms (MSC2010) 65G30 Interval and finite arithmetic
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### References:

 [1] Schneider, H., Barker, G.P.: Matrices and linear algebra, New York: Holt, Rinehart and Winston 1973 · Zbl 0182.04901
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